---

#include <stdio.h>
#include <stdlib.h>

void init(int** arr, int n)
{
    *arr = malloc(n * sizeof(int));
    int i;
    for (i = 0; i < n; ++i)
    {
        (*arr)[i] = i;
    }
}

int main()
{
    int* arr = NULL;
    int n = 10;
    init(&arr, n);
    int i;
    for (i = 0; i < n; ++i)
    {
        printf("%d\n", arr[i]);
    }
    free(arr);
    return 0;
}
\\
#include <stdio.h>
#define SQR(x)((x) * (x))
int main() {
int y = 5;
int z = SQR(y+1);
printf("z=%d\n", z);
return 0;
}
\\
#include <stdio.h>

void swap(int* a, int* b) {
    int tmp = *a;
    *a = *b;
    *b = tmp;
}

void bubble_sort(int* array, int size) {
    int i, j;
    for (i = 0; i < size - 1; ++i) {
        for (j = 0; j < size - i - 1; ++j) {
            if (array[j] > array[j + 1]) {
                swap(&array[j], &array[j + 1]);
            }
        }
    }
}

int main() {
    int array[100] = {10, 15, 5, 4, 21, 7};
    bubble_sort(array, 6);
    int i;
    for (i = 0; i < 6; ++i) {
        printf("%d ", array[i]);
    }
    printf("\n");
    return 0;
}